V1.61 修改成中断模式，测试不丢包。

zhyinch

2022-02-10 a6e5c60a9ec30574bf7c3d584046444b15f8680f

 源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c

@@ -129,19 +129,19 @@
   
   /* Enable and set EXTI Interrupt to the lowest priority */
    NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

      NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
      NVIC_Init(&NVIC_InitStructure);
	
      NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
      NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;
//      NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
//      NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
//      NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
//      NVIC_Init(&NVIC_InitStructure);
//	
//      NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn;
//    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
//    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
//      NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;
   
    NVIC_Init(&NVIC_InitStructure);
}